package com.controller;

public class Circle {
		private double r;

		public double getR() {
			return r;
		}

		public void setR(double r) {
			this.r = r;
		}
		
		public double getLength() {
			return 2*Math.PI*r;
		}
		
		public double getArea() {
			return Math.PI*r*r;
		}
}
